/***************************************************************************
 * Copyright 2012 TXT e-solutions SpA
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 * This work was performed within the IoT_at_Work Project
 * and partially funded by the European Commission's
 * 7th Framework Programme under the research area ICT-2009.1.3
 * Internet of Things and enterprise environments.
 *
 * Authors:
 *      Salvatore Piccione (TXT e-solutions SpA)
 *      Carbone Matteo
 *
 * Contributors:
 *        Domenico Rotondi (TXT e-solutions SpA)
 **************************************************************************/
package it.txt.ens.authorisationService.amqp;

import java.io.IOException;

import com.rabbitmq.client.Channel;
import com.rabbitmq.client.Connection;
import com.rabbitmq.client.ConnectionFactory;

/**
* This class encapsulates the definition of AMQP connections and channels.
* 
*  @author Carbone Matteo
*  @author Salvatore Piccione (TXT e-solutions SpA - salvatore.piccione AT network.txtgroup.com)
*/
public class AMQPConnectionHelper {

	public AMQPConnectionHelper(){}
	
	private Channel channel;

	public Channel getChannel() {
		return channel;
	}
	
	/**	
	 * Create an AMQP connection and a channel relating to that connection.
	 * 
	*/
	public Connection connection(String user, String password, String vHost, String Host, Integer port) throws IOException {
		ConnectionFactory factory = new ConnectionFactory();
		factory.setUsername(user);
		factory.setPassword(password);
		factory.setVirtualHost(vHost);
		factory.setHost(Host);
		factory.setPort(port);
		Connection conn = factory.newConnection();
		final Channel c = conn.createChannel();
		
		channel = c;

		return conn;
	}
}
